Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The uneven broken line showings of the triangular elements and the semicircular line in the claimed region and the remainder of the shoe are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 